diff --git a/charts/series.go b/charts/series.go
index e777c47cd..764b4c57a 100644
--- a/charts/series.go
+++ b/charts/series.go
@@ -11,18 +11,21 @@ type SingleSeries struct {
 	Type string `json:"type,omitempty"`
 
 	// Rectangular charts
-	// Line
+	// Line | Bar
 	Stack string `json:"stack,omitempty"`
-	// Line
+	// Line | Bar
 	XAxisIndex int `json:"xAxisIndex,omitempty"`
-	// Line
+	// Line | Bar
 	YAxisIndex int `json:"yAxisIndex,omitempty"`
 
 	// Bar
-	BarGap         string     `json:"barGap,omitempty"`
-	BarCategoryGap string     `json:"barCategoryGap,omitempty"`
+	BarGap string `json:"barGap,omitempty"`
+	// Bar
+	BarCategoryGap string `json:"barCategoryGap,omitempty"`
+	// Bar
 	ShowBackground types.Bool `json:"showBackground,omitempty"`
-	RoundCap       types.Bool `json:"roundCap,omitempty"`
+	// Bar
+	RoundCap types.Bool `json:"roundCap,omitempty"`
 
 	// Bar3D
 	Shading string `json:"shading,omitempty"`
@@ -48,9 +51,9 @@ type SingleSeries struct {
 	BarMinWidth string `json:"barMinWidth,omitempty"`
 	BarMaxWidth string `json:"barMaxWidth,omitempty"`
 
-	// Line
+	// Line | Bar
 	ColorBy string `json:"colorBy,omitempty"`
-	// Line
+	// Line | Bar
 	PolarIndex int `json:"polarIndex,omitempty"`
 	// Line
 	Step interface{} `json:"step,omitempty"`
@@ -70,7 +73,7 @@ type SingleSeries struct {
 
 	// Map
 	MapType string `json:"map,omitempty"`
-	// Map | Line
+	// Map | Line | Bar
 	CoordSystem string `json:"coordinateSystem,omitempty"`
 
 	// Pie
@@ -238,14 +241,16 @@ func WithCircularStyleOpts(opt opts.CircularStyle) SeriesOpts {
 // WithBarChartOpts sets the BarChart option.
 func WithBarChartOpts(opt opts.BarChart) SeriesOpts {
 	return func(s *SingleSeries) {
-		s.Stack = opt.Stack
-		s.BarGap = opt.BarGap
-		s.BarCategoryGap = opt.BarCategoryGap
+		s.ColorBy = opt.ColorBy
+		s.CoordSystem = opt.CoordSystem
 		s.XAxisIndex = opt.XAxisIndex
 		s.YAxisIndex = opt.YAxisIndex
-		s.ShowBackground = opt.ShowBackground
+		s.PolarIndex = opt.PolarIndex
 		s.RoundCap = opt.RoundCap
-		s.CoordSystem = opt.CoordSystem
+		s.ShowBackground = opt.ShowBackground
+		s.Stack = opt.Stack
+		s.BarGap = opt.BarGap
+		s.BarCategoryGap = opt.BarCategoryGap
 	}
 }
 
diff --git a/opts/charts.go b/opts/charts.go
index 158350c13..d05bb8aa4 100644
--- a/opts/charts.go
+++ b/opts/charts.go
@@ -2,41 +2,6 @@ package opts
 
 import "github.com/go-echarts/go-echarts/v2/types"
 
-// BarChart
-// https://echarts.apache.org/en/option.html#series-bar
-type BarChart struct {
-	Type string
-	// Name of stack. On the same category axis, the series with the
-	// same stack name would be put on top of each other.
-	Stack string
-
-	// The gap between bars between different series, is a percent value like '30%',
-	// which means 30% of the bar width.
-	// Set barGap as '-100%' can overlap bars that belong to different series,
-	// which is useful when putting a series of bar as background.
-	// In a single coordinate system, this attribute is shared by multiple 'bar' series.
-	// This attribute should be set on the last 'bar' series in the coordinate system,
-	// then it will be adopted by all 'bar' series in the coordinate system.
-	BarGap string
-
-	// The bar gap of a single series, defaults to be 20% of the category gap,
-	// can be set as a fixed value.
-	// In a single coordinate system, this attribute is shared by multiple 'bar' series.
-	// This attribute should be set on the last 'bar' series in the coordinate system,
-	// then it will be adopted by all 'bar' series in the coordinate system.
-	BarCategoryGap string
-
-	// Index of x axis to combine with, which is useful for multiple x axes in one chart.
-	XAxisIndex int
-
-	// Index of y axis to combine with, which is useful for multiple y axes in one chart.
-	YAxisIndex int
-
-	ShowBackground types.Bool
-	RoundCap       types.Bool
-	CoordSystem    string
-}
-
 // SunburstChart
 // https://echarts.apache.org/en/option.html#series-sunburst
 type SunburstChart struct {
diff --git a/opts/series_bar.go b/opts/series_bar.go
new file mode 100644
index 000000000..18b19cc2c
--- /dev/null
+++ b/opts/series_bar.go
@@ -0,0 +1,54 @@
+package opts
+
+import "github.com/go-echarts/go-echarts/v2/types"
+
+// BarChart
+// https://echarts.apache.org/en/option.html#series-bar
+type BarChart struct {
+	// ColorBy The policy to take color from option.color. Valid values:
+	// 'series': assigns the colors in the palette by series, so that all data in the same series are in the same color;
+	// 'data': assigns colors in the palette according to data items, with each data item using a different color.
+	ColorBy string
+
+	// CoordinateSystem The coordinate used in the series, whose options are:
+	//'cartesian2d' Use a two-dimensional rectangular coordinate (also known as Cartesian coordinate), with xAxisIndex and
+	//  yAxisIndex to assign the corresponding axis component.
+	//
+	// 'polar' Use polar coordinates, with polarIndex to assign the corresponding polar coordinate component.
+	CoordSystem string
+
+	// Index of x axis to combine with, which is useful for multiple x axes in one chart.
+	XAxisIndex int
+
+	// Index of y axis to combine with, which is useful for multiple y axes in one chart.
+	YAxisIndex int
+
+	// Index of polar coordinate to combine with, which is useful for multiple polar axes in one chart.
+	PolarIndex int
+
+	// Whether to add round caps at the end of the bar sectors. Valid only for bar series on polar coordinates.
+	RoundCap types.Bool
+
+	// Whether to show background behind each bar. Use backgroundStyle to set background style.
+	ShowBackground types.Bool
+
+	// Name of stack. On the same category axis, the series with the
+	// same stack name would be put on top of each other.
+	Stack string
+
+	// The gap between bars between different series, is a percent value like '30%',
+	// which means 30% of the bar width.
+	// Set barGap as '-100%' can overlap bars that belong to different series,
+	// which is useful when putting a series of bar as background.
+	// In a single coordinate system, this attribute is shared by multiple 'bar' series.
+	// This attribute should be set on the last 'bar' series in the coordinate system,
+	// then it will be adopted by all 'bar' series in the coordinate system.
+	BarGap string
+
+	// The bar gap of a single series, defaults to be 20% of the category gap,
+	// can be set as a fixed value.
+	// In a single coordinate system, this attribute is shared by multiple 'bar' series.
+	// This attribute should be set on the last 'bar' series in the coordinate system,
+	// then it will be adopted by all 'bar' series in the coordinate system.
+	BarCategoryGap string
+}